Finding the Fourth Proportional to 168,639.76, 232,737.60 and 93,202.84
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Solution
The fourth proportional to 168,639.76, 232,737.60 and 93,202.84 is: 128,628.06
Step by Step Solution
- Step 1: Write the proportion equation
168,639.76 : 232,737.60 = 93,202.84 : x - Step 2: Convert to fraction form
168,639.76/232,737.60 = 93,202.84/x - Step 3: Cross multiply
168,639.76x = 232,737.60 × 93,202.84 - Step 4: Simplify right side
168,639.76x = 21,691,805,294.78 - Step 5: Solve for x
x = 21,691,805,294.78/168,639.76 - Step 6: Final answer
x = 128,628.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.